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CRS326-24G-2S+ --> CRS328-24P-4S+ ... DAC TX/RX Pauses

https://forum.mikrotik.com/viewtopic.php?t=177990

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CRS326-24G-2S+ --> CRS328-24P-4S+ ... DAC TX/RX Pauses

Posted: Sun Aug 29, 2021 6:07 pm
by starbug
Hi,

I do have a setup of a "CRS326-24G-2S+" --> "CRS328-24P-4S+" connected via an MikroTik S+DA0001 DAC showing TX Pauses in SwOS v2.13. Does anyone have any idea what potential issue this relates to and how to fix.

Best Regards

Re: CRS326-24G-2S+ --> CRS328-24P-4S+ ... DAC TX/RX Pauses

Posted: Mon Sep 13, 2021 6:02 am
by leeph
Pause frames are due to Flow Control. You can try turning flow control off, but may experience packet loss (retries) instead.

I am also seeing TX pauses between a 2x10gb LAG between Mikrotik switches (DAC SFP+) but it is intermittent. A few is probably normal with FC enabled.
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